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Rifles, Reloading, Optics, Equipment
Reloading
Stainless Pin Tumbling "too clean"?
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<blockquote data-quote="brian11" data-source="post: 1885599" data-attributes="member: 112031"><p>I'd never heard of the peening. I wasn't aware that there's a "too long" to tumble. Usually I operate on "more is better". I'll have to reconsider that.</p><p></p><p>I've never tried BMG cases, but now I can see there that could be a problem with the weight when filled with pins.</p><p></p><p>I do know I learned a couple things from my last use of it.</p><p></p><p>First, don't leave the brass in the water and tumble only when the generator is on (I live off-grid). It causes wicked tarnishing on the brass to be left sitting in the water. Probably using my tap water doesn't help, either. I think I will use distilled water from now on, even though initial directions said not needed. Maybe not needed for some water, but my iron-heavy water especially probably would be improved by using distilled.</p><p></p><p>Mostly, I've used it on straight wall pistol cases, so no issues there. Last time I used it, I also found other problems. Mixing cases caused problems, too – like .223 mixed with 45-70. Doing multiple case sizes where one case will fit inside another, like 223 with 45-70, causes small cases to get jammed inside large cases, requiring much hand work to separate them. The 223 small bottlenecks also cause the pins to get jammed into the cases and require effort to get them out, even when doing 223 by itself. </p><p></p><p>It's a good process and really gets them clean, especially nasty old stuff that got left out in the weather, but it isn't perfect. </p><p></p><p>For drying, I just spread the cases out on a cookie sheet and either put them in the oven at 150 for an hour or two, or I put the tray on the wood stove in the winter, usually with a spacer between the stove and the tray, so they don't get too hot.</p></blockquote><p></p>
[QUOTE="brian11, post: 1885599, member: 112031"] I’d never heard of the peening. I wasn’t aware that there’s a “too long” to tumble. Usually I operate on "more is better". I'll have to reconsider that. I've never tried BMG cases, but now I can see there that could be a problem with the weight when filled with pins. I do know I learned a couple things from my last use of it. First, don’t leave the brass in the water and tumble only when the generator is on (I live off-grid). It causes wicked tarnishing on the brass to be left sitting in the water. Probably using my tap water doesn’t help, either. I think I will use distilled water from now on, even though initial directions said not needed. Maybe not needed for some water, but my iron-heavy water especially probably would be improved by using distilled. Mostly, I’ve used it on straight wall pistol cases, so no issues there. Last time I used it, I also found other problems. Mixing cases caused problems, too – like .223 mixed with 45-70. Doing multiple case sizes where one case will fit inside another, like 223 with 45-70, causes small cases to get jammed inside large cases, requiring much hand work to separate them. The 223 small bottlenecks also cause the pins to get jammed into the cases and require effort to get them out, even when doing 223 by itself. It's a good process and really gets them clean, especially nasty old stuff that got left out in the weather, but it isn't perfect. For drying, I just spread the cases out on a cookie sheet and either put them in the oven at 150 for an hour or two, or I put the tray on the wood stove in the winter, usually with a spacer between the stove and the tray, so they don't get too hot. [/QUOTE]
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Stainless Pin Tumbling "too clean"?
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